Who kept Huckleberry Finn's money?

Could you elaborate on the mystery surrounding the custodianship of Huckleberry Finn's money? Was it the illustrious Pap Finn, known for his erratic behavior, or did Huck entrust his hard-earned savings to a more trustworthy figure? Perhaps it was the enigmatic Jim, Huck's loyal companion, who secretly safeguarded the funds? Alternatively, did Huck himself devise a cunning hiding spot, determined to keep his financial matters under his own control? The question lingers: Who, in the end, held the keys to Huckleberry Finn's monetary treasures?